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Finding the Fourth Proportional to 757.46, 1,136.20 and 237.44

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Solution

The fourth proportional to 757.46, 1,136.20 and 237.44 is: 356.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    757.46 : 1,136.20 = 237.44 : x
  2. Step 2: Convert to fraction form
    757.46/1,136.20 = 237.44/x
  3. Step 3: Cross multiply
    757.46x = 1,136.20 × 237.44
  4. Step 4: Simplify right side
    757.46x = 269,779.33
  5. Step 5: Solve for x
    x = 269,779.33/757.46
  6. Step 6: Final answer
    x = 356.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.